From a9f3336efeec5936ddfaf7f37344700cf79b3243 Mon Sep 17 00:00:00 2001 From: Matt Ettus Date: Mon, 25 Oct 2010 17:00:18 -0700 Subject: add padding into gpif response path --- usrp2/control_lib/fifo_to_wb_tb.v | 8 +++++++- usrp2/fifo/Makefile.srcs | 1 + usrp2/gpif/gpif.v | 11 ++++++++--- 3 files changed, 16 insertions(+), 4 deletions(-) (limited to 'usrp2') diff --git a/usrp2/control_lib/fifo_to_wb_tb.v b/usrp2/control_lib/fifo_to_wb_tb.v index f1538e8d9..96ef4647c 100644 --- a/usrp2/control_lib/fifo_to_wb_tb.v +++ b/usrp2/control_lib/fifo_to_wb_tb.v @@ -107,7 +107,13 @@ module fifo_to_wb_tb(); @(posedge clk); @(posedge clk); InsertRW(16'hF00D, 6'd0, 8'hB5, 16'd7, 16'h1234); + #20000; + InsertRW(16'h9876, 6'd0, 8'h43, 16'd8, 16'hBEEF); + #20000; + InsertRW(16'h1000, 6'd0, 8'h96, 16'd4, 16'hF00D); + #20000; + InsertRW(16'h3000, 6'd0, 8'h12, 16'd10,16'hDEAD); + #20000 $finish; end - initial #20000 $finish; endmodule // fifo_to_wb_tb diff --git a/usrp2/fifo/Makefile.srcs b/usrp2/fifo/Makefile.srcs index 31b1f505a..7e6a231ae 100644 --- a/usrp2/fifo/Makefile.srcs +++ b/usrp2/fifo/Makefile.srcs @@ -34,4 +34,5 @@ packet_generator32.v \ packet_generator.v \ packet_verifier32.v \ packet_verifier.v \ +fifo19_pad.v \ )) diff --git a/usrp2/gpif/gpif.v b/usrp2/gpif/gpif.v index e88ffce20..1edcbf6ad 100644 --- a/usrp2/gpif/gpif.v +++ b/usrp2/gpif/gpif.v @@ -75,8 +75,8 @@ module gpif wire rx36_src_rdy, rx36_dst_rdy; wire [17:0] rx18_data; wire rx18_src_rdy, rx18_dst_rdy; - wire [17:0] resp_data; - wire resp_src_rdy, resp_dst_rdy; + wire [17:0] resp_data, resp_int; + wire resp_src_rdy, resp_dst_rdy, resp_src_rdy_int, resp_dst_rdy_int; fifo_cascade #(.WIDTH(36), .SIZE(RXFIFOSIZE)) rx_fifo36 (.clk(fifo_clk), .reset(fifo_rst), .clear(0), @@ -104,12 +104,17 @@ module gpif fifo_to_wb fifo_to_wb (.clk(fifo_clk), .reset(fifo_rst), .clear(0), .data_i(ctrl_data), .src_rdy_i(ctrl_src_rdy), .dst_rdy_o(ctrl_dst_rdy), - .data_o(resp_data), .src_rdy_o(resp_src_rdy), .dst_rdy_i(resp_dst_rdy), + .data_o(resp_int), .src_rdy_o(resp_src_rdy_int), .dst_rdy_i(resp_dst_rdy_int), .wb_adr_o(wb_adr_o), .wb_dat_mosi(wb_dat_mosi), .wb_dat_miso(wb_dat_miso), .wb_sel_o(wb_sel_o), .wb_cyc_o(wb_cyc_o), .wb_stb_o(wb_stb_o), .wb_we_o(wb_we_o), .wb_ack_i(wb_ack_i), .triggers(triggers), .debug0(), .debug1()); + fifo19_pad #(.LENGTH(16)) fifo19_pad + (.clk(fifo_clk), .reset(fifo_rst), .clear(clear), + .data_i(resp_int), .src_rdy_i(resp_src_rdy_int), .dst_rdy_o(resp_dst_rdy_int), + .data_o(resp_data), .src_rdy_o(resp_src_rdy), .dst_rdy_i(resp_dst_rdy)); + // //////////////////////////////////////////// // DEBUG -- cgit v1.2.3